GAZA (Dispatches) -- Palestinian resistance movement Hamas has blasted the United Arab Emirates for sending its pilots to train together with Israeli air force, calling the move a "stab in the back” for Palestine and the Islamic world.Earlier this month, Emirati pilots traveled to Greece to partake in a military exercise that also featured Israeli fighter jets. The Persian Gulf sheikhdom has been testing the waters for official ties with Tel Aviv after years of secretive dealings.